ASoC: audio-graph: add graph_parse_node()

Parse mclk_fs/dai/tdm/clk are common for both CPU/Codec node.
This patch creates graph_parse_node() for it and share the code.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87fszki426.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>